Re: [PATCH] mtd: rawnand: sunxi: Handle the tREA > tRC / 2 case

[Miquel Raynal <miquel.raynal@xxxxxxxxxxx>]

Hi Boris,

Boris Brezillon <boris.brezillon@xxxxxxxxxxx> wrote on Thu, 20 Dec 2018
15:10:47 +0100:

> In non-EDO, tREA should be less than tRP to guarantee that the
> controller does not sample the IO lines too early. Unfortunately, the
> sunxi NAND controller does not allow us to have different values for
> tRP and tREH (tRP = tREH = tRW / 2).
> 
> We have 2 options to overcome this limitation:
> 
> 1/ Extend tRC to fulfil the tREA <= tRC / 2 constraint
> 2/ Use EDO mode (only works if timings->tRLOH > 0)
> 
> Signed-off-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxx>
> ---

Applied to nand/next.


Thanks,
Miquèl

______________________________________________________
Linux MTD discussion mailing list
http://lists.infradead.org/mailman/listinfo/linux-mtd/